From mboxrd@z Thu Jan 1 00:00:00 1970 From: Roger Quadros Subject: [PATCH 3/3] ARM: dts: dra7: workaround silicon limitation i845 Date: Tue, 23 Aug 2016 11:57:41 +0300 Message-ID: <1471942661-1728-4-git-send-email-rogerq@ti.com> References: <1471942661-1728-1-git-send-email-rogerq@ti.com> Mime-Version: 1.0 Content-Type: text/plain Return-path: In-Reply-To: <1471942661-1728-1-git-send-email-rogerq@ti.com> Sender: linux-kernel-owner@vger.kernel.org To: kishon@ti.com, tony@atomide.com Cc: robh+dt@kernel.org, nsekhar@ti.com, linux-omap@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Roger Quadros List-Id: devicetree@vger.kernel.org From: Sekhar Nori Silicon limitation i845 documents how to cope with false disconnection condition on USB2 PHY. Reference: AM572x silicon errata document SPRZ429H, revised January 2016. Using compatible "ti,dra7x-usb2" enables the recommended software workaround for this issue. Use it for USB1 PHY. The workaround is already in place for USB2 PHY. Signed-off-by: Sekhar Nori Signed-off-by: Roger Quadros --- arch/arm/boot/dts/dra7.dtsi | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/arm/boot/dts/dra7.dtsi b/arch/arm/boot/dts/dra7.dtsi index d9bfb94..df0dcbc 100644 --- a/arch/arm/boot/dts/dra7.dtsi +++ b/arch/arm/boot/dts/dra7.dtsi @@ -1413,7 +1413,7 @@ ti,hwmods = "ocp2scp1"; usb2_phy1: phy@4a084000 { - compatible = "ti,omap-usb2"; + compatible = "ti,dra7x-usb2", "ti,omap-usb2"; reg = <0x4a084000 0x400>; syscon-phy-power = <&scm_conf 0x300>; clocks = <&usb_phy1_always_on_clk32k>, -- 2.7.4